1/2" Double Wide Block, Slide Unit Pillow Block (Inch Series), the inner diameter(bore) 1/2" inch dimensions with steel retainer, bearing is a high accuracy grade linear bushings, series mainly used in the USA, NB brand (Nippon Bearing Linear Systems), made in Japan.

• Item: TWA8WUU Shaft Support
• Type: Nippon Bearing Linear Systems
• Shaft diameter: 1/2"
• Dynamic Load Rating: 667 N
• Static Load Rating: 1068 N
• Made in Japan